00657naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200009600094210008200190215001000272608002700282675013000309700003400439856001400473EN\\bibl\4454620241005195643.6##a2409-3750##a20210617b2021####ek#y0engy0150####ca##aRU1#aRare diseases in the practice of a rheumatologist: a long way to diagnosiseJournal article1#aTulacLLC Information and publishing center Innovations and investmentsd2021##a3 с.##aJournal article2local##aБиблиотечное дело. Библиотековедение. 2aМедицина. Охрана здоровья. 61#1aBelyaevagElena Aleksandrovna4#azh-szf.ru